(Click for brief bio and photo, or printable summary CV [2 pages] and full CV [11 pages])


 Professor, Friedman School of Nutrition Science and Policy
     and Department of Economics (secondary appointment, by courtesy)
 Tufts University • 
150 Harrison Ave., room 140 • Boston, MA 02111
 Phone: 617.636.3751 • Fax: 617.636.3781
 Email:  •


Stanford University, PhD (1991) in Applied Economics at the Food Research Institute  
Yale University, BA (1984) in Economics and Political Science
Deep Springs College (1979-81), course credits transferred


Tufts University (July 2010 – present), Friedman School of Nutrition Science and PolicyProfessor (from 7/10) and Chair (7/11-8/14)  for the Department of Food and Nutrition Policy, responsible for academic leadership of multidisciplinary graduate programs involving 18 faculty and about 150 students per year.

Purdue University (December 1991 – June 2010), Department of Agricultural EconomicsAssociate Head (2/07-6/10) and Professor (4/02-6/10), previously Associate Professor (7/96-4/02) and Assistant Professor (12/91-7/96), with increasing responsibilities over graduate and undergraduate programs.

Columbia University (September 2003-August 2004), Visiting Professor, School of International and Public Affairs and Interim Executive Director, Earth Institute Center on Globalization and Sustainable Development. Led a diversified social-science research program of 8 staff and 20 affiliated faculty.

Harvard University (January – December 2000), Kennedy School of Government Visiting Scholar in the Center for International Development

Stanford University (1985-1991), Graduate Fellow, Teaching and Research Assistant in the Food Research Institute

University of Zimbabwe, Harare, Zimbabwe (1988-1990), Research Associate and part-time lecturer, Department of Agricultural Economics and Extension


AAEA Publication of Enduring Quality Award (2014)
AAEA Bruce Gardner Memorial Prize for Applied Policy Analysis (2013)
International Fellow of the African Agricultural Economics Association (2010)
Fulbright Dissertation Research Grant (1988-90); Stanford Graduate Fellowship (1985-88)
Harry S. Truman Scholarship (1981)


Elected member, Tufts University Faculty Senate (2017-20), Secretary (2018-19)
Elected Chair, International (2018-19) and FSN (2013-14) sections of the AAEA
External member, IFPRI Institutional Review Board, 2015-18
Editorial Board,
Global Food Security, 2014-present
Member, Sustainable Agriculture and Food Systems thematic group, UN SDSN, 2013-present
Member and Chair, Communications and Publications Ctee., AAEA, 2012-15
Member and Chair, Food Safety and Nutrition Section, AAEA, 2011-present
Co-Editor, Agricultural Economics, 2007-2011 (with Gerald Shively)
Board of Trustees, Deep Springs College, 2002-2011 (chair, Academic Affairs ctee.)


Native English, fluent French, some Spanish



Principal investigator or co-PI on over $13 million in grants and projects since 1988, from USAID, the World Bank, DFID, the Bill & Melinda Gates Foundation and other funding agencies.



Economics of Agricultural Development (3rd ed. 2014), with George Norton and Jeffrey Alwang.  New York: Routledge. (See review of 1st ed. in ERAE).

Distortions to Agricultural Incentives in Africa (2009), with Kym Anderson (eds.). Washington DC: The World Bank.


Correcting for artifactual correlation between misreported month of birth and attained height-for-age reduces but does not eliminate measured vulnerability to season of birth in poorer countries (2019), with A. Finaret. Am. Journal of Clinical Nutrition, in press.

Misreporting month of birth: Diagnosis and implications for research on nutrition and early childhood in developing countries (2019), with D.D. Headey and A.F. Larsen. Demography, 56(2): 707-29.

Orange Fanta versus orange fruit: A novel measure of nutrition knowledge in Malawi (2019), with K. Schneider. Maternal & Child Nutrition, 15(1): e12656.

Measuring the affordability of nutritious diets in Africa: Price indexes for diet diversity and the cost of nutrient adequacy (2018), with Y. Bai, A. Herforth, D. Sarpong, F. Mishili, J. Kinabo and J.C. Coates. Am. J. of Agricultural Economics, 100(5): 1285-1301.

Agricultural transformation, nutrition transition and food policy in Africa: Preston Curves reveal new stylized facts (2018), with N.Z. Rosenblum and R.G. Alemu, Journal of Development Studies, 54:5, 788-802.

Performance bonuses in the public sector: Winner-take-all prizes versus proportional payments to reduce child malnutrition in India (2018), with P. Singh.  J. of Dev. Econ., in press.

Winner-take-all and proportional-prize contests: theory and experimental results (2018), with T.N. Cason and R.M. Sheremeta, Journal of Economic Behavior and Organization, in press.

Designing programs to improve diets for maternal and child health: Costs and impacts of nutrition-sensitive programs in Ethiopia, Nigeria, and India (2018), with the Global Nutrition and Policy Consortium, Health Policy & Planning, 33 (4): 564-573.

Impact of caregiver incentives on child health: evidence from an experiment with Anganwadi workers in India (2017), with P. Singh, Journal of Health Economics, 55(Sept.): 219-231.

Nutrition smoothing:  Can proximity to towns and cities protect rural children against seasonal variation in agroclimatic conditions at birth? (2017), with A. Finaret Darrouzet-Nardi, PLOS ONE, 12(1): e0168759.

Nutrient composition of premixed, packaged complementary foods for sale in developing countries: Lack of standards threatens infant growth. (2016), with W. Bell and M. Nene, Maternal and Child Nutrition, in press [preprint] (NY Times)

Climatic conditions and child height: Sex-specific vulnerability and the protective effects of sanitation and food markets in Nepal. (2016), with P. Mulmi, S.A. Block and G.E. Shively, Economics & Human Biology, 23 (Dec.): 63-75.

Disease Control, Demographic Change and Institutional Development in Africa (2014), with M. McMillan and H. Kazianga, J. of Development Econ. 110: 313-26. [preprint]

Agriculture, Transportation and the Timing of Urbanization (2014), with M. Motamed and R.J.G.F. Florax, Journal of Economic Growth, 19(3): 339-368. [preprint]

Urbanization and Farm Size in Asia and Africa: Implications for Food Security and Agricultural Research (2013), Global Food Security, 2(3), 156-165. [preprint]

Entry into Winner-Take-All and Proportional-Prize Contests: An Experimental Study (2010), with T. Cason and R. Sheremeta. J.of Public Economics 94(9-10, Oct.): 604-611.

Welfare Gains from Quality Certification of Infant Foods: Results from a Market Experiment in Mali (2002), with D. Sanogo, Am. J. of Agric. Econ., 84(4): 974-989.

Climate and Scale in Economic Growth (2001), with M.S. McMillan, J. of Econ. Growth, 6(3): 167-186.


From Land Grab to Land Development: The Past and Potential of Private Investment in Frontier Agriculture, with D. Byerlee and D.S. Robinson, in Agriculture and Rural Development in a Globalizing World, edited by P. Pingali and G. Feder. Earthscan Food and Agriculture Series.   London: Routledge, 2017.

Demographic Pressure and Institutional Change: Village-Level Response to Rural Population Growth in Burkina Faso, with M.S. McMillan and H. Kazianga, in African Successes, Volume I: Government and Institutions, edited by S. Edwards, S. Johnson, and D.N. Weil University of Chicago Press and NBER, 2016.

Economic Causes of Malnutrition, in M. Eggerdorfer et al., eds., Good Nutrition: Perspectives for the 21st Century, Basel: Karger, 2016.

Child Nutrition in Economic Development, in C.P. Duggan, J.B. Watkins, B. Koletzko and W.A. Walker, eds., Nutrition in Pediatrics, 5th ed.  Shelton, CT: PMPH-USA, 2016.

Transformational Incentives for Innovation and Aid Effectiveness: Pull Mechanisms, Contests, and Prizes, in R. Shah and S. Radelet, eds., Frontiers in DevelopmentWashington, DC: USAID, May 2012, pages 196-200.